260716560 has 80 divisors (see below), whose sum is σ = 870402624. Its totient is φ = 64175616.

The previous prime is 260716553. The next prime is 260716571. The reversal of 260716560 is 65617062.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38662 + ... + 44901.

Almost surely, 2^260716560 is an apocalyptic number.

260716560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260716560 is an abundant number, since it is smaller than the sum of its proper divisors (609686064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260716560 is a wasteful number, since it uses less digits than its factorization.

260716560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83592 (or 83586 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 260716560 is about 16146.7197907191. The cubic root of 260716560 is about 638.8362314537.

The spelling of 260716560 in words is "two hundred sixty million, seven hundred sixteen thousand, five hundred sixty".